linux-kernel - [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling

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Date:   Thu, 16 May 2019 11:45:40 -0400
From:   Kamal Dasu <kdasu.kdev@...il.com>
To:     linux-mtd@...ts.infradead.org
Cc:     bcm-kernel-feedback-list@...adcom.com,
        linux-kernel@...r.kernel.org, Kamal Dasu <kdasu.kdev@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: [PATCH v2 2/2] mtd: nand: raw: brcmnand: When oops in progress use pio and interrupt polling

If mtd_oops is in progress switch to polling for nand command completion
interrupts and use PIO mode wihtout DMA so that the mtd_oops buffer can
be completely written in the assinged nand partition.

Signed-off-by: Kamal Dasu <kdasu.kdev@...il.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index a30a7f0..dca8eb8 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -835,7 +835,6 @@ static inline void disable_ctrl_irqs(struct brcmnand_controller *ctrl)
 	}
 
 	disable_irq(ctrl->irq);
-
 	ctrl->pio_poll_mode = true;
 }
 
-- 
1.9.0.138.g2de3478